Skip to main content

Imaging the cosmic dawn and the first galaxies with 21cm and atomic line intensity mapping

Pubblicazioni

Evaluating machine learning techniques for predicting power spectra from reionization simulations

Autori: W D Jennings, C A Watkinson, F B Abdalla, J D McEwen
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 483/3, 2018, Page(s) 2907-2922, ISSN 0035-8711
DOI: 10.1093/mnras/sty3168

Analysing the Epoch of Reionization with three-point correlation functions and machine learning techniques

Autori: W D Jennings, C A Watkinson, F B Abdalla
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 498/3, 2020, Page(s) 4518-4532, ISSN 0035-8711
DOI: 10.1093/mnras/staa2598

Fundamental physics with the Square Kilometre Array

Autori: A. Weltman, P. Bull, S. Camera, K. Kelley, H. Padmanabhan, J. Pritchard, A. Raccanelli, S. Riemer-Sørensen, L. Shao, S. Andrianomena, E. Athanassoula, D. Bacon, R. Barkana, G. Bertone, C. Bœhm, C. Bonvin, A. Bosma, M. Brüggen, C. Burigana, F. Calore, J. A. R. Cembranos, C. Clarkson, R. M. T. Connors, Á. de la Cruz-Dombriz, P. K. S. Dunsby, J. Fonseca, N. Fornengo, D. Gaggero, I. Harrison, J. L
Pubblicato in: Publications of the Astronomical Society of Australia, Issue 37, 2020, ISSN 1448-6083
DOI: 10.1017/pasa.2019.42

Position-dependent power spectra of the 21-cm signal from the epoch of reionization

Autori: Sambit K. Giri, Anson D'Aloisio, Garrelt Mellema, Eiichiro Komatsu, Raghunath Ghara, Suman Majumdar
Pubblicato in: Journal of Cosmology and Astroparticle Physics, Issue 2019/02, 2019, Page(s) 058-058, ISSN 1475-7516
DOI: 10.1088/1475-7516/2019/02/058

Studying the morphology of reionization with the triangle correlation function of phases

Autori: Adélie Gorce, Jonathan R Pritchard
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 489/1, 2019, Page(s) 1321-1337, ISSN 0035-8711
DOI: 10.1093/mnras/stz2195

Observational constraints on key-parameters of cosmic reionisation history

Autori: A. Gorce, M. Douspis, N. Aghanim, M. Langer
Pubblicato in: Astronomy & Astrophysics, Issue 616, 2018, Page(s) A113, ISSN 0004-6361
DOI: 10.1051/0004-6361/201629661

Comparing foreground removal techniques for recovery of the LOFAR-EoR 21 cm power spectrum

Autori: Ian Hothi, Emma Chapman, Jonathan R Pritchard, F G Mertens, L V E Koopmans, B Ciardi, B K Gehlot, R Ghara, A Ghosh, S K Giri, I T Iliev, V Jelić, S Zaroubi
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 500/2, 2020, Page(s) 2264-2277, ISSN 0035-8711
DOI: 10.1093/mnras/staa3446

Gridded and direct Epoch of Reionisation bispectrum estimates using the Murchison Widefield Array

Autori: Cathryn M. Trott, Catherine A. Watkinson, Christopher H. Jordan, Shintaro Yoshiura, Suman Majumdar, N. Barry, R. Byrne, B. J. Hazelton, K. Hasegawa, R. Joseph, T. Kaneuji, K. Kubota, W. Li, J. Line, C. Lynch, B. McKinley, D. A. Mitchell, M. F. Morales, S. Murray, B. Pindor, J. C. Pober, M. Rahimi, J. Riding, K. Takahashi, S. J. Tingay, R. B. Wayth, R. L. Webster, M. Wilensky, J. S. B. Wyithe, Q. Z
Pubblicato in: Publications of the Astronomical Society of Australia, Issue 36, 2019, ISSN 1448-6083
DOI: 10.1017/pasa.2019.15

Redshifted 21-cm bispectrum – II. Impact of the spin temperature fluctuations and redshift space distortions on the signal from the Cosmic Dawn

Autori: Mohd Kamran, Raghunath Ghara, Suman Majumdar, Rajesh Mondal, Garrelt Mellema, Somnath Bharadwaj, Jonathan R Pritchard, Ilian T Iliev
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 502/3, 2021, Page(s) 3800-3813, ISSN 0035-8711
DOI: 10.1093/mnras/stab216

Bayesian model selection with future 21cm observations of the epoch of reionization

Autori: T Binnie, J R Pritchard
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 487/1, 2019, Page(s) 1160-1177, ISSN 0035-8711
DOI: 10.1093/mnras/stz1297

Effects of the sources of reionization on 21-cm redshift-space distortions

Autori: Suman Majumdar, Hannes Jensen, Garrelt Mellema, Emma Chapman, Filipe B. Abdalla, Kai-Yan Lee, Ilian T. Iliev, Keri L. Dixon, Kanan K. Datta, Benedetta Ciardi, Elizabeth R. Fernandez, Vibor Jelić, Léon V. E. Koopmans, Saleem Zaroubi
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 456/2, 2015, Page(s) 2080-2094, ISSN 0035-8711
DOI: 10.1093/mnras/stv2812

Quantifying the non-Gaussianity in the EoR 21-cm signal through bispectrum

Autori: Suman Majumdar, Jonathan R Pritchard, Rajesh Mondal, Catherine A Watkinson, Somnath Bharadwaj, Garrelt Mellema
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 476/3, 2018, Page(s) 4007-4024, ISSN 0035-8711
DOI: 10.1093/mnras/sty535

The 21-cm bispectrum as a probe of non-Gaussianities due to X-ray heating

Autori: Catherine A Watkinson, Sambit K Giri, Hannah E Ross, Keri L Dixon, Ilian T Iliev, Garrelt Mellema, Jonathan R Pritchard
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 482/2, 2018, Page(s) 2653-2669, ISSN 0035-8711
DOI: 10.1093/mnras/sty2740

Modelling the 21-cm Signal from the Epoch of Reionization and Cosmic Dawn

Autori: T. Roy Choudhury, Kanan Datta, Suman Majumdar, Raghunath Ghara, Aseem Paranjape, Rajesh Mondal, Somnath Bharadwaj, Saumyadip Samui
Pubblicato in: Journal of Astrophysics and Astronomy, Issue 37/4, 2016, ISSN 0250-6335
DOI: 10.1007/s12036-016-9403-z

Parametrizations of the 21-cm global signal and parameter estimation from single-dipole experiments

Autori: Geraint J. A. Harker, Jordan Mirocha, Jack O. Burns, Jonathan R. Pritchard
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 455/4, 2015, Page(s) 3829-3840, ISSN 0035-8711
DOI: 10.1093/mnras/stv2630

Statistics of the epoch of reionization (EoR) 21-cm signal – II. The evolution of the power-spectrum error-covariance

Autori: Rajesh Mondal, Somnath Bharadwaj, Suman Majumdar
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 464/3, 2016, Page(s) 2992-3004, ISSN 0035-8711
DOI: 10.1093/mnras/stw2599

Line-of-Sight Anisotropies in the Cosmic Dawn and Epoch of Reionization 21-cm Power Spectrum

Autori: Suman Majumdar, Kanan K. Datta, Raghunath Ghara, Rajesh Mondal, T. Roy Choudhury, Somnath Bharadwaj, Sk. Saiyad Ali, Abhirup Datta
Pubblicato in: Journal of Astrophysics and Astronomy, Issue 37/4, 2016, ISSN 0250-6335
DOI: 10.1007/s12036-016-9402-0

Eliminating the optical depth nuisance from the CMB with 21 cm cosmology

Autori: Adrian Liu, Jonathan R. Pritchard, Rupert Allison, Aaron R. Parsons, Uroš Seljak, Blake D. Sherwin
Pubblicato in: Physical Review D, Issue 93/4, 2016, ISSN 2470-0010
DOI: 10.1103/PhysRevD.93.043013

Prediction of the 21-cm signal from reionization: comparison between 3D and 1D radiative transfer schemes

Autori: Raghunath Ghara, Garrelt Mellema, Sambit K Giri, T Roy Choudhury, Kanan K Datta, Suman Majumdar
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 476/2, 2018, Page(s) 1741-1755, ISSN 0035-8711
DOI: 10.1093/mnras/sty314

Emulation of reionization simulations for Bayesian inference of astrophysics parameters using neural networks

Autori: C J Schmit, J R Pritchard
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 475/1, 2017, Page(s) 1213-1223, ISSN 0035-8711
DOI: 10.1093/mnras/stx3292

Upper Limits on the 21 cm Epoch of Reionization Power Spectrum from One Night with LOFAR

Autori: A. H. Patil, S. Yatawatta, L. V. E. Koopmans, A. G. de Bruyn, M. A. Brentjens, S. Zaroubi, K. M. B. Asad, M. Hatef, V. Jelić, M. Mevius, A. R. Offringa, V. N. Pandey, H. Vedantham, F. B. Abdalla, W. N. Brouw, E. Chapman, B. Ciardi, B. K. Gehlot, A. Ghosh, G. Harker, I. T. Iliev, K. Kakiichi, S. Majumdar, G. Mellema, M. B. Silva, J. Schaye, D. Vrbanec, S. J. Wijnholds
Pubblicato in: The Astrophysical Journal, Issue 838/1, 2017, Page(s) 65, ISSN 1538-4357
DOI: 10.3847/1538-4357/aa63e7

Recovering the H ii region size statistics from 21-cm tomography

Autori: Koki Kakiichi, Suman Majumdar, Garrelt Mellema, Benedetta Ciardi, Keri L. Dixon, Ilian T. Iliev, Vibor Jelić, Léon V. E. Koopmans, Saleem Zaroubi, Philipp Busch
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 471/2, 2017, Page(s) 1936-1954, ISSN 0035-8711
DOI: 10.1093/mnras/stx1568

Probing Individual Sources during Reionization and Cosmic Dawn using Square Kilometre Array HI 21-cm Observations

Autori: Kanan K. Datta, Raghunath Ghara, Suman Majumdar, T. Roy Choudhury, Somnath Bharadwaj, Himadri Roy, Abhirup Datta
Pubblicato in: Journal of Astrophysics and Astronomy, Issue 37/4, 2016, ISSN 0250-6335
DOI: 10.1007/s12036-016-9405-x

A fast estimator for the bispectrum and beyond – a practical method for measuring non-Gaussianity in 21-cm maps

Autori: Catherine A. Watkinson, Suman Majumdar, Jonathan R. Pritchard, Rajesh Mondal
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 472/2, 2017, Page(s) 2436-2446, ISSN 0035-8711
DOI: 10.1093/mnras/stx2130

A Space-based Observational Strategy for Characterizing the First Stars and Galaxies Using the Redshifted 21 cm Global Spectrum

Autori: Jack O. Burns, Richard Bradley, Keith Tauscher, Steven Furlanetto, Jordan Mirocha, Raul Monsalve, David Rapetti, William Purcell, David Newell, David Draper, Robert MacDowall, Judd Bowman, Bang Nhan, Edward J. Wollack, Anastasia Fialkov, Dayton Jones, Justin C. Kasper, Abraham Loeb, Abhirup Datta, Jonathan Pritchard, Eric Switzer, Michael Bicay
Pubblicato in: The Astrophysical Journal, Issue 844/1, 2017, Page(s) 33, ISSN 1538-4357
DOI: 10.3847/1538-4357/aa77f4

Redshifted 21-cm bispectrum – I. Impact of the redshift space distortions on the signal from the Epoch of Reionization

Autori: Suman Majumdar, Mohd Kamran, Jonathan R Pritchard, Rajesh Mondal, Arindam Mazumdar, Somnath Bharadwaj, Garrelt Mellema
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 499/4, 2020, Page(s) 5090-5106, ISSN 0035-8711
DOI: 10.1093/mnras/staa3168

The gravitational and lensing-ISW bispectrum of 21 cm radiation

Autori: Jonathan R. Pritchard; Claude J. Schmit; Alan Heavens
Pubblicato in: MNRAS, Issue 483, 2018, Page(s) 4275, ISSN 0035-8711
DOI: 10.1093/mnras/sty3400

The bispectrum and 21-cm foregrounds during the Epoch of Reionization

Autori: Catherine A Watkinson, Cathryn M Trott, Ian Hothi
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 501/1, 2020, Page(s) 367-382, ISSN 0035-8711
DOI: 10.1093/mnras/staa3677

The 21 cm bispectrum during reionization: a tracer of the ionization topology

Autori: Anne Hutter, Catherine A Watkinson, Jacob Seiler, Pratika Dayal, Manodeep Sinha, Darren J Croton
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Issue 492/1, 2020, Page(s) 653-667, ISSN 0035-8711
DOI: 10.1093/mnras/stz3139

Improved constraints on reionisation from CMB observations: A parameterisation of the kSZ effect

Autori: A. Gorce, S. Ilić, M. Douspis, D. Aubert, M. Langer
Pubblicato in: Astronomy & Astrophysics, Issue 640, 2020, Page(s) A90, ISSN 0004-6361
DOI: 10.1051/0004-6361/202038170

Cosmological signatures of the Epoch of Reionisation

Autori: Gorce, Adélie
Pubblicato in: "Cosmology and Extra-Galactic Astrophysics [astro-ph.CO]. Université Paris-Saclay, 2020. English. ⟨NNT : 2020UPASP026⟩", Issue 1, 2020